Source: http://www.abarim-publications.com/Meaning/Shedeur.html

🔼The name Shedeur in the Bible

There's only one Shedeur in the Bible, and he is the father of Elizur, who was the representative and military leader of the tribe of Reuben at the time of the first census of Israel and afterwards (Numbers 1:5, 2:10, 7:30-35, 10:18). Shedeur is never mentioned in a context other than being Elizur's father.

🔼Etymology of the name Shedeur

The name Shedeur consists of two elements. The final part of our name comes from the familiar verb אור ('or), meaning to be or become light:

Identifying the first part of our name is a bit more tricky. Both NOBSE Study Bible Name List and Jones' Dictionary of Old Testament Proper Names appear to relate our name to a Chaldean verb שדא (sh'dha), meaning to cast forth. And BDB Theological Dictionary suggests that the first part of our name might in fact be שדי, or Shaddai. A Hebrew audience, especially an audience that didn't speak Chaldean, would have related both the name Shaddai and our name Shedeur to any of the following roots:

🔼Shedeur meaning

Through Hebrew eyes (ears) the name Shedeur may have meant Shaddai Is Flame (as BDB Theological Dictionary suggests) or Shaddai Is Light. But it may also have seemed like Destroyer Of Light, Breast Of Fire, or Fire Demon.

Using the Chaldean verb, our name might have meant Shedder Of Light (NOBSE Study Bible Name List) or Casting Forth Fire (Jones' Dictionary of Old Testament Proper Names).